Home / 810,119,877.35-1,118,145,281.01-492,512,635.85

Finding the Fourth Proportional to 810,119,877.35, 1,118,145,281.01 and 492,512,635.85

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Solution

The fourth proportional to 810,119,877.35, 1,118,145,281.01 and 492,512,635.85 is: 679,776,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,119,877.35 : 1,118,145,281.01 = 492,512,635.85 : x
  2. Step 2: Convert to fraction form
    810,119,877.35/1,118,145,281.01 = 492,512,635.85/x
  3. Step 3: Cross multiply
    810,119,877.35x = 1,118,145,281.01 × 492,512,635.85
  4. Step 4: Simplify right side
    810,119,877.35x = 550,700,679,611,486,720
  5. Step 5: Solve for x
    x = 550,700,679,611,486,720/810,119,877.35
  6. Step 6: Final answer
    x = 679,776,777.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.